While we model a 16-elements RX FIFO since the PL011 model was
introduced in commit cdbdb648b7 ("ARM Versatile Platform Baseboard
emulation"), we only read 1 char at a time!
Have can_receive() return how many elements are available, and use that
in receive().
This is the Rust version of commit 3e0f118f82 ("hw/char/pl011: Really
use RX FIFO depth"); but it also adds back a comment that is present
in commit f576e0733c ("hw/char/pl011: Add support for loopback") and
absent in the Rust code.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch extends the blockdev-backup QMP command to allow users to specify
how to behave when IO errors occur during copy-before-write operations.
Previously, the behavior was fixed and could not be controlled by the user.
The new 'on-cbw-error' option can be set to one of two values:
- 'break-guest-write': Forwards the IO error to the guest and triggers
the on-source-error policy. This preserves snapshot integrity at the
expense of guest IO operations.
- 'break-snapshot': Allows the guest OS to continue running normally,
but invalidates the snapshot and aborts related jobs. This prioritizes
guest operation over backup consistency.
This enhancement provides more flexibility for backup operations in different
environments where requirements for guest availability versus backup
consistency may vary.
The default behavior remains unchanged to maintain backward compatibility.
Signed-off-by: Raman Dzehtsiar <Raman.Dzehtsiar@gmail.com>
Message-ID: <20250414090025.828660-1-Raman.Dzehtsiar@gmail.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
[vsementsov: fix long lines]
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Tested-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
- Fix migration-test invocation of qtest_init
- Simplify byte-swapping for virtio in libqos
- New cpu hotplug test for loongarch64
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Merge tag 'qtest-20250509-pull-request' of https://gitlab.com/farosas/qemu into staging
Qtest pull request
- Fix migration-test invocation of qtest_init
- Simplify byte-swapping for virtio in libqos
- New cpu hotplug test for loongarch64
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# gpg: Signature made Fri 09 May 2025 17:16:40 EDT
# gpg: using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D
* tag 'qtest-20250509-pull-request' of https://gitlab.com/farosas/qemu:
tests/qtest/cpu-plug-test: Add cpu hotplug support for LoongArch
tests/qtest/libqos: Avoid double swapping when using modern virtio
qtest: introduce qtest_init_ext
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
In preparation of having a TX FIFO, rename the RX FIFO methods.
This is the Rust version of commit 40871ca758 ("hw/char/pl011:
Rename RX FIFO methods").
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Since modinfo support was added, Meson fixed several issues with
extract_objects and compile_commands.json lookups can be simplified.
If the lookup uses the object file as key, there is no need to use the
command line to distinguish among all entries for a given source.
Ninja 1.9 is required in order to produce the 'output' key in
compile_commands.json; it is available in CentOS Stream 9, Debian 11, SLES
15.2, Ubuntu 20.04 and in all recent BSD distros. Samurai also has it.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
All dependencies that are in common_ss (which includes system_ss) automatically
have their include path added when building the target-specific files. So the
hack in ui/meson.build is not needed anymore since commit 727bb5b477 ("meson:
pick libfdt from common_ss when building target-specific files", 2024-05-10);
drop it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Errors about TCI are pointless if only tools are being built; suppress
them even if the user did not specify --disable-tcg.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Just detect compiler support and always enable the optimizations if
it is avilable; warn if the user did request AVX2/AVX512 use via
-Dx86_version= but the intrinsics are not available.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix the duplication of the word 'run'.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
According to QEMU manual:
Older options like `-hda` are essentially macros which expand into
`-drive` options for various drive interfaces. The original forms
bake in a lot of assumptions from the days when QEMU was emulating a
legacy PC, they are not recommended for modern configurations.
Signed-off-by: Integral <integral@archlinuxcn.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Fix typo in QEMU's ACPI PCI hotplug API function name that checks
whether a given bus is hotplug-capable.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Fix typo in a comment about the creation of the ACPI CRS method.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
In the header file, remove a stray empty comment in the Offload Context
Descriptor struct.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Fix indentation for some elements in the hardware compat arrays.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Fix missing "i" in the name of the function responsible for adding the call to
the PCI notification method (PCNT) in the ACPI table.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Remove the ICH9_DEBUG macro, which is only used to dump the value of the
pm_io_base parameter, passed to ich9_pm_iospace_update(). It provides
little to no value and is not worth converting to a trace event.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Update the reference for QEMU's ACPI PCI hotplug device interface. Also,
use the possessive form in the comment.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Fix typo and verb conjugation in a comment about FADT initialization.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Remove PCI_DPRINTF() macro and use trace events instead.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Add cpu hotplug testcase support for LoongArch system, it passes to
run with command "make check-qtest-loongarch64" as following:
qemu:qtest+qtest-loongarch64 / qtest-loongarch64/cpu-plug-test OK 0.38s 1 subtests passed
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250314085130.4184272-1-maobibo@loongson.cn>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
The logic in the qvirtio_read/write function is rather a headache,
involving byte-swapping when the target is big endian, just to
maybe involve another byte-swapping in the qtest_read/write
function immediately afterwards (on the QEMU side). Let's do it in
a more obvious way here: For virtio 1.0, we know that the values have
to be little endian, so let's read/write the bytes in that well known
order here.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-ID: <20250430132817.610903-1-thuth@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Merge qtest_init_with_env_and_capabilities() and qtest_init_with_env()
into one qtest_init_ext().
Reasons:
1. qtest_init_with_env() is just wrong: it gets do_connect parameter
but always pass true to qtest_init_with_env_and_capabilities().
Happily, all qtest_init_with_env() callers pass true as well.
2. qtest_init_with_env() is not used outside of libqtest.c, so no
reason to keep it as public function
3. and in libqtest.c it's used not often, so no problem to use
more generic function instead.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20250410162250.329941-1-vsementsov@yandex-team.ru>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
* Remove test relying on 4.1 machine type that is about to
be disabled
* Fix off-by-1 in deprecation/removal logic for versioned
machine types to cope with dev/rc versions
* Enable logic for disabling registration of versioned machine
types which have exceeded the 6 year lifetime policy.
* Add automated version information to documentation about which
versioned machine types are deprecated and removed
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Merge tag 'docs-dep-pull-request' of https://gitlab.com/berrange/qemu into staging
Enable automated removal of deprecated versioned machine types
* Remove test relying on 4.1 machine type that is about to
be disabled
* Fix off-by-1 in deprecation/removal logic for versioned
machine types to cope with dev/rc versions
* Enable logic for disabling registration of versioned machine
types which have exceeded the 6 year lifetime policy.
* Add automated version information to documentation about which
versioned machine types are deprecated and removed
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# gpg: Signature made Thu 08 May 2025 12:14:36 EDT
# gpg: using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg: aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E 8E3F BE86 EBB4 1510 4FDF
* tag 'docs-dep-pull-request' of https://gitlab.com/berrange/qemu:
include/hw/boards: add warning about changing deprecation logic
docs/about/removed-features: auto-generate a note for versioned machine types
docs/about/deprecated: auto-generate a note for versioned machine types
include/hw/boards: cope with dev/rc versions in deprecation checks
Revert "include/hw: temporarily disable deletion of versioned machine types"
tests/qtest/q35-test: Remove the obsolete test_without_smram_base test
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
- Allow using plugins on BSD user-emulation
- Inline VMSTATE_CPU() macro
- Fix header includes for HVF x86
- Build hw/hyperv/ files once
- Various typo fixed
- Fix issue in i.MX I2C model
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Merge tag 'hw-misc-20250508' of https://github.com/philmd/qemu into staging
Misc HW patches
- Allow using plugins on BSD user-emulation
- Inline VMSTATE_CPU() macro
- Fix header includes for HVF x86
- Build hw/hyperv/ files once
- Various typo fixed
- Fix issue in i.MX I2C model
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* tag 'hw-misc-20250508' of https://github.com/philmd/qemu:
hw/i2c/imx: Always set interrupt status bit if interrupt condition occurs
hw/i386/acpi-build: Fix typo and grammar in comment
hw/i386/acpi-build: Update document reference
hw/i386/acpi-build: Fix build_append_notfication_callback typo
hw/acpi/ged: Fix wrong identation
hw/pci/pcie_port: Fix pcie_slot_is_hotpluggbale_bus typo
hw/hyperv/hyperv: common compilation unit
hw/hyperv/hyperv_testdev: common compilation unit
hw/hyperv/balloon: common balloon compilation units
hw/hyperv/syndbg: common compilation unit
hw/hyperv/vmbus: common compilation unit
hw/hyperv/hyperv.h: header cleanup
hw/hyperv/hv-balloon-stub: common compilation unit
system/hvf: Expose hvf_enabled() to common code
system/hvf: Avoid including 'cpu.h'
accel/hvf: Include missing 'hw/core/cpu.h' header
target/migration: Inline VMSTATE_CPU()
qom: Factor qom_resolve_path() out
bsd-user: add option to enable plugins
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The vfio-user container will later need to hook into these callbacks;
set up vfio to use them, and optionally pass them through to the
container.
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-15-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Split out parts of TYPE_VFIO_PCI into a base TYPE_VFIO_PCI_BASE,
although we have not yet introduced another subclass, so all the
properties have remained in TYPE_VFIO_PCI.
Note that currently there is no need for additional data for
TYPE_VFIO_PCI, so it shares the same C struct type as
TYPE_VFIO_PCI_BASE, VFIOPCIDevice.
Originally-by: John Johnson <john.g.johnson@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-14-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Instead of requesting region information on demand with
VFIO_DEVICE_GET_REGION_INFO, maintain a cache: this will become
necessary for performance for vfio-user, where this call becomes a
message over the control socket, so is of higher overhead than the
traditional path.
We will also need it to generalize region accesses, as that means we
can't use ->config_offset for configuration space accesses, but must
look up the region offset (if relevant) each time.
Originally-by: John Johnson <john.g.johnson@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-12-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
For vfio-user, device operations such as IRQ handling and region
read/writes are implemented in userspace over the control socket, not
ioctl() to the vfio kernel driver; add an ops vector to generalize this,
and implement vfio_device_io_ops_ioctl for interacting with the kernel
vfio driver.
Originally-by: John Johnson <john.g.johnson@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-11-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Add simple helpers to correctly report failures from read/write routines
using the return -errno style.
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-7-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Various bits of code that call vfio device APIs should consistently use
the "return -errno" approach for passing errors back, rather than
presuming errno is (still) set correctly.
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-6-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
